We provide public access to our subversion repository so feel free to do a checkout with your favourite SVN Client (KDESVN , RapidSVN , TortoiseSVN). Subversion (SVN) is a version control system. It is used to maintain current and historical versions of files such as source code, web pages, and documentation.

Get Access to it:
http://joomlacode.org/svn/quickfaq